Band theory and electronic properties of solids, by John Singleton, Oxford University Press

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Prof Amartya Sengupta Assistant Professor Indian Institute of Technology Delhi

INDIAN INSTITUTE OF TECHNOLOGY PY1,.102, MAJOR Total Marks: 50, Time: 2 hrs (ATTEMPT ALL QUESTIONS) Date: I ._a) Which of the following interaction arises purely due to electrostatic interactions? i) Dipolar interaction ii) Exchangc interaction. —b) Consider two electrons represented by their wave fucntions and 1þ(ñ2).

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阿馬蒂亞·庫馬爾·森， CH （印地語： अमर्त्‍य कुमार सेन，英語： Amartya Sen，又譯為 沈恩，1933年11月3日 —）以对 福利经济学 的贡献，获得 诺贝尔经济学奖 （1998年），后获得 印度 政府颁发 印度國寶勳章 （1999年）。

Brief CV – Dr Amartya Sengupta. Bandyopadhyay, A., A. Sengupta, R.B. Barat, D.E. Gary, J.F. Federici, M. Chen, and D.B. Tanner, Effects of scattering on THz spectra of granular solids, International Journal of Infrared Millimeter Waves, 28, 969‐978, 2007. Altan, H., A.

Navigation menu with submenu examples for any type of project, Bootstrap 4

Navigation menu with submenu examples for any type of project, Bootstrap 4

PYL 102: PRINCIPLES OF ELECTRONIC MATERIALS DURATION: 90 Minutes MAJOR (20.11.2015) Q.l. The lattice parameters in real for a two rectangular lattice are given by a=O.2x1Œ9 m and b=0.4x 10-9 m. ab k2. where kF (ii) Show that the total number of electrons between zero and Fermi energy (EF) is given by NO (EF) - .